[INFO] crate string2 0.1.4 is already in cache
[INFO] testing string2-0.1.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate string2 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate string2 0.1.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string2 0.1.4
[INFO] finished tweaking crates.io crate string2 0.1.4
[INFO] tweaked toml for crates.io crate string2 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8de6c377c75ce572098a0dabf2f8a9e2476ff937a78c22d9eda9d6d9d5ebcbe
[INFO] running `Command { std: "docker" "start" "-a" "e8de6c377c75ce572098a0dabf2f8a9e2476ff937a78c22d9eda9d6d9d5ebcbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8de6c377c75ce572098a0dabf2f8a9e2476ff937a78c22d9eda9d6d9d5ebcbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8de6c377c75ce572098a0dabf2f8a9e2476ff937a78c22d9eda9d6d9d5ebcbe", kill_on_drop: false }`
[INFO] [stdout] e8de6c377c75ce572098a0dabf2f8a9e2476ff937a78c22d9eda9d6d9d5ebcbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544d2a96e0f79f017111ac5000a2957315579eb1c75ac93ab58470e9a079c5e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "544d2a96e0f79f017111ac5000a2957315579eb1c75ac93ab58470e9a079c5e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling string2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "544d2a96e0f79f017111ac5000a2957315579eb1c75ac93ab58470e9a079c5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544d2a96e0f79f017111ac5000a2957315579eb1c75ac93ab58470e9a079c5e8", kill_on_drop: false }`
[INFO] [stdout] 544d2a96e0f79f017111ac5000a2957315579eb1c75ac93ab58470e9a079c5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf6ffa06cabf0a006abe88e509dc1bb1105ae58b09849b05faf7922a352f9171
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf6ffa06cabf0a006abe88e509dc1bb1105ae58b09849b05faf7922a352f9171", kill_on_drop: false }`
[INFO] [stderr]    Compiling string2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bf6ffa06cabf0a006abe88e509dc1bb1105ae58b09849b05faf7922a352f9171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6ffa06cabf0a006abe88e509dc1bb1105ae58b09849b05faf7922a352f9171", kill_on_drop: false }`
[INFO] [stdout] bf6ffa06cabf0a006abe88e509dc1bb1105ae58b09849b05faf7922a352f9171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dd39378c9347e6e0f31b6371fc91c3c7f65a5fe8601f67b94bb9687bb270e1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2dd39378c9347e6e0f31b6371fc91c3c7f65a5fe8601f67b94bb9687bb270e1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string2-1d1621ec3afa9171
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string2
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - String2 (line 148) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_mut_slice (line 540) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_ptr (line 433) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_mut_vec (line 585) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 117) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_slice (line 519) ... ok
[INFO] [stdout] test src/lib.rs - String2::capacity (line 288) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 88) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_bytes (line 497) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - String2::new (line 224) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_vec (line 564) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve (line 319) ... ok
[INFO] [stdout] test src/lib.rs - String2::from_raw_parts (line 469) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve (line 331) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve_exact (line 381) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve_exact (line 369) ... ok
[INFO] [stdout] test src/lib.rs - String2::with_capacity (line 256) ... ok
[INFO] [stdout] test src/lib.rs - String2::shrink_to_fit (line 409) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2dd39378c9347e6e0f31b6371fc91c3c7f65a5fe8601f67b94bb9687bb270e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd39378c9347e6e0f31b6371fc91c3c7f65a5fe8601f67b94bb9687bb270e1d", kill_on_drop: false }`
[INFO] [stdout] 2dd39378c9347e6e0f31b6371fc91c3c7f65a5fe8601f67b94bb9687bb270e1d